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说明：  51单片机驱动步进电机电路及程序 内容详细，通俗易懂，很值得(51bujindianji)

采用磁共振方式的无线充电专利文件，分享给对无线充电技术感兴趣的朋友 wireless Power(Using magnetic resonance wireless charging patent file sharing to friends interested in wireless charging technology)

苏通大桥Midas桥梁有限元分析模型，可作为有限元分析所用(Midas bridge finite element analysis model of Su Tong Bridge, can be used in finite element analysis as)

网蜂科技开发板CC2530F256实现AD控制(Realization of Watchdog Timing by Network Bee Technology Development Board CC2530F256)

说明：  用51单片机制作温湿度传感器的代码，可以通过lcd显示(Making Code of Temperature and Humidity Sensor with 51 Single Chip Microcomputer)

分布式电源接入配网对继电保护影响，挺全面的，可以学习下(Affect access to the distribution network for distributed power protection, very comprehensive, and can learn under)

说明：  ESP32驱动CS1238驱动程序，双通道； 带50K NTC电阻温度对照表，根据电压值计算出阻值，查表计算出对应温度值。(ESP32 driver CS1238 driver, dual channel; With 50K NTC resistance temperature comparison table, calculate the resistance value according to the voltage value, check the table to calculate the corresponding temperature value.)

4052驱动，根据单片机修改在都文件的宏定义，使用output函数直接传入宏定义的参数即可。例程中为项目中双4052的切换应用。附4052datasheet(4052-driven microcontroller modify files in all macro definitions, incoming macro parameters can be defined using the output function directly. Routine project double 4052 switch. Attached 4052datasheet)

射頻晶片 nRF2401,nRF2402 use AVR ATMega128 with CodeVision C Compiler (nRF2401 RF chip, nRF2402 use AVR ATMega128 with CodeVision C Com piler)

设计的电机驱动控制系统的主要功能有①控制电机的正转、反转；②为电机设计控制速度，有5m/s、10m/s、15m/s三个等级；③给电机设定转动的位移，让电机按照设定的位移移动；④1602液晶上显示电机的位移和速度；⑤利用4*4键盘数字输入控制电机的速度、按键C和D控制正反转、按键B控制三个档位的速度。(Using SCM software and hardware systems to achieve precision stage displacement, velocity through three or four phase stepper motors (motors meet the acceleration and deceleration characteristics), control the direction, location. Completion of the control circuit board hardware, including CPU, power amplifier, buttons, LED display. Software can be implemented in C.)